What is a condition that deems a horse unfit to work?

A horse exhibiting obvious signs of malnutrition is considered unfit to work because malnutrition can lead to significant health issues that directly affect the horse's ability to perform and participate in any physical activities. A malnourished horse may lack the necessary energy, strength, and overall condition needed for work, making it unsafe for the animal and potentially hazardous for the rider.

Good nutrition is essential for maintaining a horse’s health, stamina, and soundness. Malnourished horses may also be more susceptible to injuries and illness. Therefore, recognizing and addressing malnutrition is crucial for ensuring the horse's welfare and its readiness for work.

In contrast, a horse being shod is standard practice for many working horses, and while blindness in one eye can impair depth perception and affect performance, it doesn’t automatically render a horse unfit to work. Similarly, while being overly groomed might suggest an obsession with appearance rather than fitness, it does not affect the horse’s physical condition in a manner that would deem it unfit for work.